# mkfs.fat > Creates an MS-DOS filesystem inside a partition. > More information: . - Create a fat filesystem inside partition 1 on device b (`sdb1`): `mkfs.fat {{/dev/sdb1}}` - Create filesystem with a volume-name: `mkfs.fat -n {{volume_name}} {{/dev/sdb1}}` - Create filesystem with a volume-id: `mkfs.fat -i {{volume_id}} {{/dev/sdb1}}` - Use 5 instead of 2 file allocation tables: `mkfs.fat -f 5 {{/dev/sdb1}}`